Dude vs. Due — What's the Difference?

Dude is English slang (originally American English) for an individual, typically male. From the 1870s to the 1960s, dude primarily meant a person who dressed in an extremely fashionable manner (a dandy) or a conspicuous citified person who was visiting a rural location, a "city slicker".

Payable immediately or on demand.

A man; a guy (often as a form of address)

Owed as a debt; owing

Dress up elaborately

In accord with right, convention, or courtesy; appropriate

(Informal) An Easterner or city person who vacations on a ranch in the West.

Meeting special requirements; sufficient

(Informal) A man who is very fancy or sharp in dress and demeanor.

Expected or scheduled, especially appointed to arrive

A man; a fellow.

Expected to give birth.

A person of either sex.

Anticipated; looked for

To dress elaborately or flamboyantly

Expecting or ready for something as part of a normal course or sequence

Used to express approval, satisfaction, or congratulations.

Entitled to

A man, generally a younger man.

Capable of being attributed. See Usage Note at due to.

A term of address for someone, typically a man, particularly when cautioning them or offering advice.

Something owed or deserved

An inexperienced cowboy.

Dues A charge or fee for membership, as in a club or organization.

(slang) A tourist.

Straight; directly

(archaic) A man who is very concerned about his dress and appearance; a dandy, a fop.

(Archaic) Duly.

(slang) A term of address, usually for a man, conveying awe, excitement, surprise, annoyance, etc.

Owed or owing.

To address someone as dude.

Appropriate.

To take a vacation in a dude ranch.

Scheduled; expected.

(US) Usually followed by up: to dress up, to wear smart or special clothes.

Having reached the expected, scheduled, or natural time.

A kind of dandy; especially, one characterized by an ultrafashionable style of dress and other affectations.

Owing; ascribable, as to a cause.

A man who is much concerned with his dress and appearance

On a direct bearing, especially for the four points of the compass

(used with compass directions) Directly; exactly.

Deserved acknowledgment.

(in plural dues) A membership fee.

That which is owed; debt; that which belongs or may be claimed as a right; whatever custom, law, or morality requires to be done, duty.

Right; just title or claim.

Owed, as a debt; that ought to be paid or done to or for another; payable; owing and demandable.

Justly claimed as a right or property; proper; suitable; becoming; appropriate; fit.

Such as (a thing) ought to be; fulfilling obligation; proper; lawful; regular; appointed; sufficient; exact; as, due process of law; due service; in due time.

Appointed or required to arrive at a given time; as, the steamer was due yesterday.

Owing; ascribable, as to a cause.

Directly; exactly; as, a due east course.

That which is owed; debt; that which one contracts to pay, or do, to or for another; that which belongs or may be claimed as a right; whatever custom, law, or morality requires to be done; a fee; a toll.

Right; just title or claim.

To endue.

That which is deserved or owed;

A payment that is due (e.g., as the price of membership);

Owed and payable immediately or on demand;

Proper and appropriate; fitting;

Scheduled to arrive;

Suitable to or expected in the circumstances;

Reasonable in the circumstances;

Directly or exactly; straight;